Quick definitions from WordNet (shiver)▸ noun:reflex shaking caused by cold or fear or excitement▸ noun:an almost pleasurable sensation of fright▸ verb:shake, as from cold ("The children are shivering--turn on the heat!")▸ verb:tremble convulsively, as from fear or excitement▸ name: A surname (rare: 1 in 50000 families; popularity rank in the U.S.: #6838)
▸ Word origin